# Stackd vs 床上操作式クレーン運転技能講習 | 2026年対策問題

The clearest difference is price: Stackd at Free against 床上操作式クレーン運転技能講習 | 2026年対策問題's $1.99. 床上操作式クレーン運転技能講習 | 2026年対策問題's advantage is in-app purchases (none vs 1). On iOS requirement there is nothing between them.

Stackd is free to download; 床上操作式クレーン運転技能講習 | 2026年対策問題 costs $1.99 up front. Stackd sells 1 one-off in-app purchase. 床上操作式クレーン運転技能講習 | 2026年対策問題 asks for nothing beyond the download.

## The numbers

| Metric | Stackd | 床上操作式クレーン運転技能講習 | 2026年対策問題 |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stackd-study-timer-and-tracker/id6761293821/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 5 MB |
| Requires iOS | 18 | **17.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [Nene Nakagawa](https://appshunter.io/developer/1821103094) | [Masaki Kobayashi](https://appshunter.io/developer/1882180437) |

## What reviewers say

### Stackd

[App page](https://appshunter.io/ios/app/stackd-study-timer-and-tracker/id6761293821)

Track and manage your study sessions with a versatile timer and detailed logging. Visualize your progress with weekly graphs and calendar streaks to stay motivated and organized. Focus on learning without distractions.

**Highlights:** Multiple timer modes (Stopwatch, Countdown, Pomodoro), Detailed study session logging, Weekly subject balance graphs, Calendar view for study days, Progress streak tracking, Daily study reminders, Data backup and export

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stackd Pro | $1.99 | one-time |


### 床上操作式クレーン運転技能講習 | 2026年対策問題

[App page](https://appshunter.io/ios/app/2026/id6783996159)

**In-app purchases:** none


## Frequently asked questions

### Is Stackd free?

Stackd is free to download, with in-app purchases available.

### Is 床上操作式クレーン運転技能講習 | 2026年対策問題 free?

床上操作式クレーン運転技能講習 | 2026年対策問題 costs $1.99, with no in-app purchases.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*